Display screen with an animated graphical user interface



FIG. 1 is a first image of a sequence of a display screen with an animated graphical user interface showing our new design;

FIG. 2 is a second image thereof; and,

FIG. 3 is a third image thereof.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3 . The process or period in which one image transitions to another image forms no part of the claimed design.

The outer evenly-spaced broken line rectangle illustrates a boundary and forms no part of the claimed design. The unevenly spaced broken lines illustrate a display screen and form no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen with an animated graphical user interface, as shown and described. 